Inventions What plaything was invented by Joe McVicker in 1956? Play-Doh Lite-Brite Etch-A-Sketch Silly Putty Play-Doh Lite-Brite Etch-A-Sketch Silly Putty ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1760 1739 1743 1785 1760 1739 1743 1785 ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Electricity Television Early Warning Telephone Electricity Television Early Warning Telephone ANSWER DOWNLOAD EXAMIANS APP
Inventions The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name? Joseph Cyril Bamford John Christopher Ballantyne John Christopher Baxter Jack Croxford Baker Joseph Cyril Bamford John Christopher Ballantyne John Christopher Baxter Jack Croxford Baker ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Sonar Radar Ethyl gasoline Jet propulsion Sonar Radar Ethyl gasoline Jet propulsion ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? Benjamin Franklin Meghnad Saha J.J. Thompson Hargobind Khorana Benjamin Franklin Meghnad Saha J.J. Thompson Hargobind Khorana ANSWER DOWNLOAD EXAMIANS APP
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